1
: of or relating to an epoch
2
: uniquely or highly significant : momentous
during his three epochal years in the assembly—
C. G. Bowers
C. G. Bowers
epochally
adverb
Examples of epochal in a Sentence
Recent Examples on the Web
That carbon remains sequestered in the lower mantle for epochal lengths of time; some of it eventually erupts back into the atmosphere via volcanism.
—Quanta Magazine, 15 Sep. 2025
As in the 1970s, the political climate has undergone an epochal shift since 2020.
—Payton McCarty-Simas, HollywoodReporter, 25 Aug. 2025
But China in 2025 is suffering the consequences of a Xi era that’s talked a great game of epochal change but achieved little.
—William Pesek, Forbes.com, 15 Aug. 2025
With its endlessly quotable teen slang, closet-envy fashion, and pop culture references, the film remains an epochal '90s movie that hasn't lost a stitch of charm or relevance.
—Danny Horn, EW.com, 19 July 2025
See All Example Sentences for epochal
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Quanta Magazine, 15 Sep. 2025
As in the 1970s, the political climate has undergone an epochal shift since 2020.
—Payton McCarty-Simas, HollywoodReporter, 25 Aug. 2025
But China in 2025 is suffering the consequences of a Xi era that’s talked a great game of epochal change but achieved little.
—William Pesek, Forbes.com, 15 Aug. 2025
With its endlessly quotable teen slang, closet-envy fashion, and pop culture references, the film remains an epochal '90s movie that hasn't lost a stitch of charm or relevance.
—Danny Horn, EW.com, 19 July 2025
See All Example Sentences for epochal
Cite this Entry
“Epochal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/epochal. Accessed 30 Sep. 2025.
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